Home / 18,075.64-27,110.66-4,929.08

Finding the Fourth Proportional to 18,075.64, 27,110.66 and 4,929.08

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Solution

The fourth proportional to 18,075.64, 27,110.66 and 4,929.08 is: 7,392.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075.64 : 27,110.66 = 4,929.08 : x
  2. Step 2: Convert to fraction form
    18,075.64/27,110.66 = 4,929.08/x
  3. Step 3: Cross multiply
    18,075.64x = 27,110.66 × 4,929.08
  4. Step 4: Simplify right side
    18,075.64x = 133,630,611.99
  5. Step 5: Solve for x
    x = 133,630,611.99/18,075.64
  6. Step 6: Final answer
    x = 7,392.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.